A-b = 43----(1)
a+b = 13----(2)
(1)+(2) 2a=56
then a=56/2= 28
so b=13-28= -15
so that the numbers are -15 and 28
Answer:

Step-by-step explanation:
We are given the equation:

and asked to solve for
. Therefore, we must isolate the variable on one side of the equation.
is being multiplied by 5. The inverse of multiplication is division. Divide both sides of the equation by 5.



Let's check our solution. Plug 3 in for x and solve.


This checks out, so we know our solution is correct.
The solution to 5x=15 is x=3.
Answer:
GCF
Step-by-step explanation:
sorry if you dont understand
Answer:
$31.37 is the sale price
Step-by-step explanation:
All you need to do to find the discount price (sale price) is multiply the price of the item by the decimal form of the percentage.
1. Store A. 40% off the original price of $159.99

63.996 is the discount price we are looking for
2. Store B. 25% off the original price of $130.50

32.625 is the discount price we are looking for
3. Now to find their difference you just subtract the two values.

The discount price (sale price) is $31.371